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VMCVM Neuro > Neuroanatomy > Flashcards

Neuroanatomy Flashcards

1
Q

What spinal segments do the Femoral nerve come from?

A

L4-L6

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2
Q

What spinal segments do the Sciatic nerve come from?

A

L6-S2

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3
Q

What spinal segments do the Pudendal nerve come from?

A

S1-S3

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4
Q

What spinal segments do the Musculocutaneous come from?

A

C6-C8

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5
Q

What spinal segments do the Radial nerve come from?

A

C7-T2

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6
Q

What nerve is the Biceps reflex mediated by?

A

Musculocutaneous

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7
Q

What nerve is the Triceps reflex mediated by?

A

Radial

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8
Q

What nerve is the Etensor Carpi Radialis reflex mediated by?

A

Radial

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9
Q

What nerve(s) mediate the Thoracic Limb Withdrawal Reflex?

A

Axillary, Musculocutaneous, Median, Ulnar

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10
Q

What nerve mediates the Patellar Reflex?

A

Femoral

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11
Q

What nerve mediates the Gastrocnemius Reflex?

A

Sciatic

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12
Q

What nerve mediates the Cranial Tibial Reflex?

A

Sciatic

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13
Q

What nerve mediates the Perineal Reflex?

A

Pudendal

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14
Q

What nerve mediates the Pelvic Limb Withdrawal Reflex?

A

Femoral and sciatic

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15
Q

What are the 7 regions of the nervous system assessed by neurologic exams?

A
  1. Motor Unit
  2. Spinal Cord
  3. Pons and Medulla
  4. Cerebellum
  5. Midbrain
  6. Hypothalamus and Thalamus
  7. Cerebrum
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16
Q

What makes up the motor unit?

A 
Sensory Nerves (Afferent)
Ventral Horn Cell
Peripheral Nerve (Efferent)
Neuromuscular Junction
Skeletal Muscle
17
Q

What is a spinal reflex?

A

Involuntary response to mechanical stimulation, independent of the CNS.
It is influenced by UMN and unconscious.

18
Q

Signs of Motor Unit disease/LMN signs

A

Loss of spinal reflexes
Loss of motor function
Loss of sensation (not always, only if sensory nerves damaged)
RAPID loss of muscle bulk and tone

VMCVM Neuro (5 decks)

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